双测站圆柱拟合与质量检测
Geotechnical Investigation & Surveying(2018)
Abstract
以双测站圆柱拟合及质量检测为对象,详细阐述了两种策略.策略一步骤为:布设多于3个公共点,统一两测站坐标,拟合圆柱,展开圆柱面并绘制修复图;策略二,布设一个公共点,联合求解两测站圆柱参数,分别展开圆柱面,通过公共点拼接展开面并绘制修复图.策略一公共点观测误差导致圆柱拟合精度降低,直接降低圆柱修复图整体精度;布设公共点越多,外业工作量越大.策略二无坐标转换误差,圆柱拟合精度高;布设公共点仅为一个,外业工作量降低;公共点观测误差仅对拼接局部造成影响,可忽略不计.
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